linux-kernel - Re: [PATCH] mm: huge_memory: convert split_huge_pages

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Date:   Fri, 30 Dec 2022 17:03:11 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Matthew Wilcox <willy@...radead.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: huge_memory: convert split_huge_pages_all() to use a
 folio



On 2022/12/30 16:14, Matthew Wilcox wrote:
> On Thu, Dec 29, 2022 at 08:25:03PM +0800, Kefeng Wang wrote:
>> -			if (!PageHead(page) || PageHuge(page) || !PageLRU(page))
>> +			if (!folio_test_large(folio)
>> +				|| folio_test_hugetlb(folio)
>> +				|| !folio_test_lru(folio))
>>   				goto next;
> 
> That is a completely illegible way of indenting this code!  There's
> no visual cue when the condition stops and when the next statement
> begins.  Try one of these:
> 
sorry about the bad indenting,
> 			if (!folio_test_large(folio) ||
> 			    folio_test_hugetlb(folio) ||
> 			    !folio_test_lru(folio))
> 				goto next;
> 
will resend with this one, thanks for your review.